FOURTH CYCLE OF PAVEMENT RESEARCH AT THE PENNSYLVANIA TRANSPORTATION RESEARCH FACILITY, VOLUME 3, THE PAVEMENT ROUGHNESS RESEARCH FACILITY AND THE SKID RESISTANCE RESEARCH FACILITY. FINAL REPORT

This report describes the construction of and applications for two research facilities located at the Pennsylvania Transportation Research Facilities: the Pavement Roughness Research Facility and the Skid Resistance Research Facility. These facilities werer developed as a part of a larger project, Research Project 82-11, "Fourth Cycle of Research at the Pennsylvania Transportation Research Facility." The Pavement Roughness Research Facility consists of an 800-ft-long sinusoidal surface, which can be used to calibrate profilometers and response-type road roughness measurement systems. The Skid Resistance Research Facility includes eight test surfaces (skid pads), 6 ft wide by 200 ft long, which can be used to correlate the measurements of a road friction tester (skid tester) with a reference system. In addition, the facilities include a system for calibrating water nozzle flow and distribution.